<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <input type="button" value="切换显示状态" @click="changeIsShow">
        <input type="button" value="累加年龄" @click="addAge">
        <img v-show="isShow" src="./image/a1.png" alt="" >
        <img v-show="age>=10" src="./image/a2.jpg" alt="" >
    </div>
    
    <script src="./vue.js"></script>
    <script>
        var app=new Vue ({
            el:"#app",
            data:{
                isShow:false,
                age:20    
            },
            methods:{
                changeIsShow:function(){
                    this.isShow=!this.isShow;
                },
                addAge:function(){
                    this.age++;
                }
            },
        })
    </script>
</body>
</html>